Is it recommended to reset and start a fresh WebDriver session for each negative test in Selenium?

Each time I run a negative test, I make sure to close and reopen my driver. For instance, if the login test fails (meaning the login was successful), I restart the driver to begin fresh on the login page.

Is this the recommended approach? I've considered some other options, but I'm unsure which is ideal:

  1. Closing the driver only when necessary - like after a failed test that resulted in a successful login.
  2. Clearing the browser cache and cookies between each test to mimic a new driver simulation.

Answer №1

It is essential for a test to commence with a brand new session in order to avoid encountering difficult-to-reproduce test bugs. For a quicker solution, consider utilizing Selenoid () which provides a new browser instance every time. To set it up locally, refer to https://docs.docker.com/docker-for-windows/install/

Answer №2

It is advised to avoid restarting the browser every time unless necessary for a clean test environment.

Users do not always work with a fresh browser instance for every business requirement or test case scenario.

Therefore, it is preferable to use the same browser instance for end-to-end testing purposes.

Answer №3

Looking at the bigger picture, when conducting or tests, the prerequisites for a test case remain consistent. Therefore, there is no issue with running the tests in the same browsing context.

Nevertheless, during negative testing, it is advisable to initiate each test case in a fresh browsing context to ensure that failures occur for valid reasons. Otherwise, you might encounter numerous false positives and false negatives caused by unwanted cookies and other session attributes.

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